Control of toxic hazards.
D000042:Absorption; D001554:Benzene / Q000378:metabolism / Q000506:poisoning; D004781:Environmental Exposure; D006452:Hemoglobinometry; D006801:Humans; D007855:Lead Poisoning / Q000097:blood / Q000175:diagnosis* / Q000378:metabolism; D008403:Mass Screening; D009784:Occupational Diseases / Q000175:diagnosis*; D010636:Phenols / Q000652:urine; D011042:Poisons / Q000378:metabolism; D011166:Porphyrins / Q000652:urine
D010636:Phenols; D011042:Poisons; D011166:Porphyrins; D001554:Benzene